mirror of https://gitee.com/openkylin/linux.git
e1000: Fix dhcp issue when the skb structure fields are not filled properly
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: John Ronciak <john.ronciak@intel.com>
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@ -2678,7 +2678,7 @@ e1000_transfer_dhcp_info(struct e1000_adapter *adapter, struct sk_buff *skb)
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E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT)) )
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return 0;
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}
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if ((skb->len > MINIMUM_DHCP_PACKET_SIZE) && (!skb->protocol)) {
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if (skb->len > MINIMUM_DHCP_PACKET_SIZE) {
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struct ethhdr *eth = (struct ethhdr *) skb->data;
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if ((htons(ETH_P_IP) == eth->h_proto)) {
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const struct iphdr *ip =
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